/**
 * Copyright (c) 2012-2016, www.tinygroup.org (luo_guo@icloud.com).
 *
 *  Licensed under the GPL, Version 3.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.gnu.org/licenses/gpl.html
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.tinygroup.jsqlparser.statement.select;

import org.tinygroup.jsqlparser.statement.select.SetOperationList.SetOperationType;

import java.io.Serializable;

/**
 * Single Set-Operation (name). Placeholder for one specific set operation, e.g.
 * union, intersect.
 *
 * @author tw
 */
public abstract class SetOperation implements Serializable {

    private SetOperationType type;

    public SetOperation(SetOperationType type) {
        this.type = type;
    }


    public String toString() {
        return type.name();
    }
}
